Mi Xim Mountain Bicycle Rear Derailleur Bike Bearing Pulley Jockey Guide Wheel
£6.95
Included: 1 x Rear Derailleur. Deepen the tooth mark: can effectively reduce the situation of chain off, more clear speed change, more stable on the chain. Net weight: About 11g (14T) / 11g (15T) / 12g (16T) / 14g (18T).
